class Picture{
  String? tem;
  String? week;
  String? date;
  String? update_time;
  String? air_tips;
  Picture({this.tem,this.week,this.date,this.air_tips,this.update_time});
  factory Picture.fromJson(Map<String,dynamic> json){
    return Picture(
      tem: json['tem'],
      week: json['week'],
      date: json['date'],
      update_time: json['update_time'],
      air_tips: json['air_tips'],
    );
  }
}